16&amp;lt;tex&amp;gt;$,times,$&amp;lt;/tex&amp;gt;40 Gb/s Over 800 km of SSMF Using Mid-Link Spectral Inversion

Jansen, S.L.; Spälter, S.; Khoe, G.D.; Waardt, H. de; Escobar, H. E.; Marshall, Larry R.; Sher, M. H.

doi:10.1109/lpt.2004.828546

Cited by 27 publications

(8 citation statements)

References 7 publications

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“…In order to achieve the polarization independence of the apparatus a polarization-diversity scheme like that reported in [5] has been used. By a proper implementation, high polarization independence can be obtained and the setup insertion losses, which for these devices are generally > 20 dB [6], are reduced below 9 dB. The wavelength of the fundamental beam used for the second-harmonic generation (SHG) process has been set to λ f = 1552.52 nm, and the crystal operating temperature to 108°C, so as to avoid the photorefractive effect and to tune the SHG efficiency peak to λ f ; the optical power output from the fundamental beam amplifier has been set to 250 mW.…”

Section: Methodsmentioning

confidence: 99%

Optical Phase Conjugation for Dispersion and Nonlinearity Compensation in a 1600km, 42 Gb/s Quasi-Lossless System

Minzioni

Harper²,

Pusino³

et al. 2009

Advances in Optical Sciences Congress

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Section: Methodsmentioning

confidence: 99%

Optical Phase Conjugation for Dispersion and Nonlinearity Compensation in a 1600km, 42 Gb/s Quasi-Lossless System

Minzioni

Harper²,

Pusino³

et al. 2009

Advances in Optical Sciences Congress

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“…We conjecture that better XPM compensation can be achieved by employing Raman amplification to create a more power symmetric transmission link. The first multispan WDM experiment at 40 Gb/s is shown in [29], where 16 channels are transmitted over 800 km of SSMF. Future long-haul WDM transmission systems will likely employ alternative modulation formats as well as 40 Gb/s data rates.…”

Section: Opc-aided Transmissionmentioning

confidence: 99%

“…In this experiment, 16 × 42.7 Gb/s NRZ is transmitted over an 800-km straight line of SSMF [29]. The experimental setup is shown in Fig.…”

Section: A 16 × 427 Gb/s Nrz Over 800 Kmmentioning

confidence: 99%

Long-haul DWDM transmission systems employing optical phase conjugation

Jansen

Borne

Krummrich

et al. 2006

IEEE J. Select. Topics Quantum Electron.

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140

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Abstract-In this paper, we review the recent progress in transmission experiments by employing optical phase conjugation (OPC) for the compensation of chromatic dispersion and nonlinear impairments. OPC is realized with difference frequency generation (DFG) in a periodically poled lithium-niobate (PPLN) waveguide, for transparent wavelength-division multiplexed (WDM) operation with high conversion efficiency. We discuss extensively the principle behind optical phase conjugation and the realization of a polarization independent OPC subsystem. Using OPC for chromatic dispersion compensation WDM 40-Gb/s long-haul transmission is described. As well, transmission employing both mixed data rates and mixed modulation formats is discussed. No significant nonlinear impairments are observed from the nonperiodic dispersion map used in these experiments. The compensation of intrachannel nonlinear impairments by OPC is described for WDM carrier-suppressed return-to-zero (CSRZ) transmission. In this experiment, a 50% increase in transmission reach is obtained by adding an OPC unit to a transmission line using dispersion compensating fiber (DCF) for dispersion compensation. Furthermore, the compensation of impairments due to nonlinear phase noise is reviewed. An in-depth analysis is conducted on what performance improvement is to be expected for various OPC configurations and a proof-of-principle experiment is described showing over 4-dB improvement in Q-factor due to compensation of nonlinear impairments resulting from nonlinear phase noise. Finally, an ultralong-haul WDM transmission of 22 × 20-Gb/s return-tozero differential quadrature phase-shift keying (RZ-DQPSK) is discussed showing that OPC can compensate for chromatic dispersion, as well as self-phase modulation (SPM) induced nonlinear impairments, such as nonlinear phase noise. Compared to a "conventional" transmission link using DCF for dispersion compensation, a 44% increase in transmission reach is obtained when OPC is employed. In this experiment, we show the feasibility of using only one polarization-independent PPLN subsystem to compensate for an accumulated chromatic dispersion of over 160 000 ps/nm. Index Terms-Dispersion compensation, differential phaseshift keying (DPSK), differential quadrature phase-shift keying (DQPSK), duobinary, fiber-optics communications, nonlinear phase noise, phase conjugation, phase-shift keying, periodically poled lithium niobate (PPLN), spectral inversion.

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“…Impairments experienced in the first part of the link are then cancelled out with the impairments in the second part of the transmission link. It has been experimentally shown that OPC can compensate for chromatic dispersion [11]- [15], self-phase modulation (SPM), [16] and also intrachannel nonlinear impairments [17]- [19]. The key advantages of OPC are that simultaneous processing of multiple channels is possible [20] and that an OPC is transparent to modulation format and data rate [21].…”

Section: Introductionmentioning

confidence: 99%

Optical phase conjugation for ultra long-haul phase-shift-keyed transmission

Jansen

Borne

Spinnler

et al. 2006

J. Lightwave Technol.

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120

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16<tex>$,times,$</tex>40 Gb/s Over 800 km of SSMF Using Mid-Link Spectral Inversion

Abstract: , M. (2004). 16x40 Gb/s over 800km of SSMF using mid-link spectral inversion.

Cited by 27 publications

References 7 publications

Optical Phase Conjugation for Dispersion and Nonlinearity Compensation in a 1600km, 42 Gb/s Quasi-Lossless System

Optical Phase Conjugation for Dispersion and Nonlinearity Compensation in a 1600km, 42 Gb/s Quasi-Lossless System

Long-haul DWDM transmission systems employing optical phase conjugation

Optical phase conjugation for ultra long-haul phase-shift-keyed transmission

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